JP2022045342A - Surgical device with seal assembly - Google Patents

Abstract

To provide a surgical device with a seal assembly.SOLUTION: A surgical device includes a handle assembly, an elongated portion, an outer band assembly, an inner band assembly, a trocar assembly, and a seal assembly. At least a portion of the outer band assembly is disposed radially within the outer sleeve. At least a portion of the trocar assembly is disposed radially within the inner band assembly. The seal assembly includes a first annular seal and a second annular seal. The first annular seal is disposed radially inward of the outer sleeve and radially outward of the outer band assembly. The second annular seal is disposed radially inward of the outer band assembly and radially outward of the inner band assembly.SELECTED DRAWING: None

Description

Cross-reference to related applications This application claims the priority benefit of US Provisional Patent Application No. 63 / 075,349 filed September 8, 2020, which is incorporated herein by reference in its entirety. ..

The present disclosure relates generally to surgical devices. More specifically, the present disclosure relates to a surgical device with a seal assembly for limiting the amount of debris that can enter the surgical device during use.

Background of Related Techniques Surgical instruments, including power units for use in surgical procedures, are known. Adapter assembly and adapter assembly for selective attachment to the handle assembly and various end effectors to allow reuse of the handle assembly of these surgical instruments and allow the handle assembly to be used with various end effectors. Extension assemblies have been developed. In addition, after use, the adapter, end effector, and / or extension assembly can be thoroughly cleaned and / or sterilized for reuse. Surgical equipment with a seal assembly can help limit debris that enters the surgical equipment during use, thereby facilitating cleaning of the surgical equipment.

The present disclosure comprises a handle assembly, an elongated portion extending distally from the handle assembly and including an outer sleeve, an outer band assembly, an inner band assembly, a trocar assembly, a seal assembly, and the like. With respect to surgical equipment including. At least a portion of the outer band assembly is radially disposed within the outer sleeve. At least a portion of the inner band assembly is radially disposed within the outer band assembly. The trocar assembly includes a trocar member. At least a portion of the trocar assembly is radially disposed within the inner band assembly. The seal assembly includes a first annular seal and a second annular seal. The first annular seal is disposed radially inside the outer sleeve and radially outside the outer band assembly. The second annular seal is disposed radially inside the outer band assembly and radially outside the inner band assembly.

In one aspect, the seal assembly comprises a third annular seal disposed radially inside the inner band assembly and radially outside the trocar member of the trocar assembly.

In one aspect, the outer band assembly is longitudinally translatable with respect to the outer sleeve of the elongated portion, and the inner band assembly is longitudinally translated with respect to the outer band assembly and with respect to the outer sleeve of the elongated portion. It is possible. Further, in aspects, the inner band assembly is longitudinally translatable with respect to the trocar member of the trocar assembly. In aspects, longitudinal movement of the outer band assembly with respect to the outer sleeve of the elongated portion causes the corresponding longitudinal movement of the second annular seal with respect to the outer sleeve.

In addition, in aspects, the second annular seal is longitudinally translatable with respect to the outer sleeve.

In aspects, the surgical device comprises an end effector configured to operably engage the distal portion of the elongated portion, the end effector being configured to house a fastener therein. In aspects, longitudinal movement of the outer band assembly relative to the outer sleeve of the strip causes the fastener to be ejected from the end effector. In aspects, longitudinal movement of the inner band assembly relative to the outer sleeve of the elongated portion causes longitudinal movement of the end effector knife. In aspects, the end effector comprises a cartridge assembly and an anvil assembly, and longitudinal movement of a portion of the trocar assembly with respect to the outer sleeve of the elongated portion causes longitudinal movement of the anvil assembly with respect to the cartridge assembly.

In aspects, the first annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion and the second annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. The third annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion.

In aspects, the second annular seal is at least partially disposed within the recess of the outer band assembly. In a further aspect, the third annular seal is at least partially disposed within the recess of the trocar member.

The present disclosure also relates to a surgical device comprising an elongated portion having an outer sleeve, an outer band assembly, an inner band assembly, a trocar assembly, a seal assembly, and an end effector. The outer band assembly includes a first band and a second band, at least a portion of the outer band assembly being radially disposed within the outer sleeve. The inner band assembly includes a first band and a second band, at least a portion of the inner band assembly being radially disposed within the outer band assembly. The trocar assembly includes a trocar member, at least a portion of the trocar assembly is radially disposed within the inner band assembly. The seal assembly includes a first seal, a second seal, and a third seal. The first seal is disposed radially inside the outer sleeve and radially outside the first and second bands of the outer band assembly. The second seal is disposed radially inside the first and second bands of the outer band assembly and radially outside the first and second bands of the inner band assembly. ing. The third seal is disposed radially inside the first and second bands of the inner band assembly and radially outside the trocar member of the trocar assembly. The end effector is configured to operably engage the distal portion of the elongated portion and to accommodate the fastener in it. Distal movement of the outer band assembly with respect to the outer sleeve causes the fastener to be ejected from the end effector, and distal movement of the inner band assembly with respect to the outer sleeve causes distal movement of the end effector knife.

In aspects, the first seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion and the second seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. The third seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion.

In one aspect, the distal movement of the outer band assembly with respect to the outer sleeve of the elongated portion causes the corresponding distal movement of the second seal with respect to the outer sleeve.
The present invention provides, for example,:
(Item 1)
It ’s a surgical device,
With the handle assembly
An elongated portion configured to extend distally from the handle assembly and including an outer sleeve.
An outer band assembly, wherein at least a portion of the outer band assembly is radially disposed within the outer sleeve.
An inner band assembly, wherein at least a portion of the inner band assembly is radially disposed within the outer band assembly.
A trocar assembly comprising a trocar member, wherein at least a portion of the trocar assembly is radially disposed within the inner band assembly.
A seal assembly comprising a first annular seal and a second annular seal, wherein the first annular seal is disposed radially inside the outer sleeve and radially outside the outer band assembly. A surgical device comprising a seal assembly in which a second annular seal is disposed radially inside the outer band assembly and radially outside the inner band assembly.
(Item 2)
The surgical device according to the above item, wherein the seal assembly comprises a third annular seal disposed radially inside the inner band assembly and radially outside the trocar member of the trocar assembly.
(Item 3)
The surgical device according to any one of the above items, wherein the outer band assembly is longitudinally translatable with respect to the outer sleeve of the elongated portion.
(Item 4)
The surgical device according to any of the above items, wherein the inner band assembly is longitudinally translatable with respect to the outer band assembly and with respect to the outer sleeve of the elongated portion.
(Item 5)
The surgical device according to any one of the above items, wherein the inner band assembly is longitudinally translatable with respect to the trocar member of the trocar assembly.
(Item 6)
The surgical device according to any of the above items, wherein the longitudinal movement of the outer band assembly with respect to the outer sleeve of the strip causes the corresponding longitudinal movement of the second annular seal with respect to the outer sleeve. ..
(Item 7)
The surgical device according to any one of the above items, wherein the second annular seal is longitudinally translatable with respect to the outer sleeve.
(Item 8)
Any of the above items, further comprising an end effector configured to operably engage the distal portion of the elongated portion, wherein the end effector is configured to accommodate a fastener therein. The surgical device described in.
(Item 9)
The surgical device according to any of the above items, wherein the longitudinal movement of the outer band assembly with respect to the outer sleeve of the elongated portion causes the fastener to be ejected from the end effector.
(Item 10)
The surgical device according to any of the above items, wherein the longitudinal movement of the inner band assembly with respect to the outer sleeve of the strip causes the longitudinal movement of the knife of the end effector.
(Item 11)
The end effector comprises a cartridge assembly and an anvil assembly, wherein longitudinal movement of a portion of the trocar assembly with respect to the outer sleeve of the elongated portion causes longitudinal movement of the anvil assembly with respect to the cartridge assembly. The surgical device described in any of the items.
(Item 12)
The surgical device according to any of the above items, wherein the first annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion.
(Item 13)
The surgical device according to any of the above items, wherein the second annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion.
(Item 14)
The seal assembly comprises a third annular seal disposed radially inside the inner band assembly and radially outside the trocar member of the trocar assembly, wherein the third annular seal is the elongated. The surgical device according to any of the above items, which is between about 12 mm and about 100 mm from the most distal end of the portion.
(Item 15)
The surgical device according to any one of the above items, wherein the second annular seal is at least partially disposed in a recess of the outer band assembly.
(Item 16)
The surgical device according to any one of the above items, wherein the third annular seal is at least partially disposed in a recess of the trocar member.
(Item 17)
It ’s a surgical device,
With an elongated part including the outer sleeve,
An outer band assembly comprising a first band and a second band, wherein at least a portion of the outer band assembly is radially disposed within the outer sleeve.
An inner band assembly comprising a first band and a second band, wherein at least a portion of the inner band assembly is radially disposed within the outer band assembly.
A trocar assembly comprising a trocar member, wherein at least a portion of the trocar assembly is radially disposed within the inner band assembly.
A seal assembly comprising a first seal, a second seal, and a third seal, wherein the first seal is disposed radially inside the outer sleeve and is of the outer band assembly. Disposed radially outside the first band and the second band, the second seal is radially inside the first and second bands of the outer band assembly. Disposed and radially outward of the first and second bands of the inner band assembly, the third seal is the first band and of the inner band assembly. A seal assembly that is disposed radially inside the second band and radially outside the trocal member of the trocal assembly.
An end effector configured to operably engage the distal portion of the elongated portion, wherein the end effector is configured to accommodate a fastener therein and said to the outer sleeve. Distal movement of the outer band assembly causes the fastener to be ejected from the end effector, and distal movement of the inner band assembly with respect to the outer sleeve causes distal movement of the end effector's knife. , End effector, and a surgical device.
(Item 18)
The first seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion, and the second seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. The surgical device according to any one of the above items, wherein the third seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion.
(Item 19)
The surgical operation according to any of the above items, wherein the distal movement of the outer band assembly with respect to the outer sleeve of the strip causes the corresponding distal movement of the second seal with respect to the outer sleeve. Device.
(Item 20)
The surgical device according to any one of the above items, wherein the second seal is at least partially disposed in a recess of the outer band assembly.
(Summary)
A surgical device including a handle assembly, an elongated portion, an outer band assembly, an inner band assembly, a trocar assembly, and a seal assembly is disclosed. At least a portion of the outer band assembly is radially disposed within the outer sleeve. At least a portion of the trocar assembly is radially disposed within the inner band assembly. The seal assembly includes a first annular seal and a second annular seal. The first annular seal is disposed radially inside the outer sleeve and radially outside the outer band assembly. The second annular seal is disposed radially inside the outer band assembly and radially outside the inner band assembly.

Aspects of the present disclosure will be described herein with reference to the accompanying drawings.

FIG. 3 is a perspective exploded view of a surgical device according to certain aspects of the present disclosure. It is a perspective side view of the handle assembly of the surgical apparatus of FIG. It is a perspective side view of the adapter assembly of the surgical apparatus of FIG. FIG. 3 is a perspective side view of the adapter assembly of FIG. 3 with the outer sleeve removed. FIG. 3 is a perspective side view of the adapter assembly of FIGS. 3 and 4 with the proximal and distal housings of the first and second pusher assemblies removed. It is a perspective side view of the extension assembly of the surgical apparatus of FIG. FIG. 6 is a perspective side view of the inner flexible band assembly of the extension assembly of FIG. FIG. 6 is a perspective side view of the outer flexible band assembly of the extension assembly of FIG. 7 is a perspective side view of the inner flexible band assembly and the outer flexible band assembly of FIGS. 7 and 8, and an exploded assembly view of the frame assembly of the extension assembly of FIG. 9 is a perspective side view of the inner flexible band assembly, the outer flexible band assembly, and the frame assembly of FIG. It is an exploded assembly view of the trocar assembly of the extension assembly of FIG. FIG. 3 is a perspective side view of the adapter assembly of FIG. 3 connected to the extension assembly of FIG. 6 and the end effector and anvil assembly engaged with the extension assembly. It is an enlarged sectional side view of the designated area of the detail of FIG. FIG. 6 is a cross-sectional view of the distal portion of the extension assembly of FIG. FIG. 3 is a schematic diagram of a robotic surgery system configured for use in accordance with the present disclosure.

Aspects of the disclosed surgical device with a seal assembly are described in detail with reference to the drawings. In each of several figures, the same reference number indicates the same or corresponding element. As used herein, the term "distal" refers to that part of a seal assembly or surgical device, or a component thereof, farther from the user, while the term "proximal" refers to the user. Refers to that part of a seal assembly or surgical device, or a component thereof, closer to it.

Referring to FIG. 1, an adapter assembly according to an aspect of the present disclosure, commonly referred to as an adapter assembly 100, and an extension assembly according to an aspect of the present disclosure, commonly referred to as an extension assembly 200, are electric handhelds, commonly referred to as a surgical device 10. It is configured for selective connection to electrical machinery. As shown in FIG. 1, the surgical device 10 is configured for selective connection with the adapter assembly 100, and thus the adapter assembly 100 is configured for selective connection with the extension assembly 200. The extension assembly 200 includes a loading unit, such as a loading unit 40 (FIG. 12), and an anvil assembly 50 (FIG. 12), for example, to apply a circular array of staples (not shown) to the tissue (not shown). It is configured for selective connection with the anvil assembly of, including, for example, a tool assembly such as the tool assembly 30 (FIG. 12) or an end effector.

As shown in FIGS. 1 and 2, the surgical device 10 includes a lower housing portion 14, an intermediate housing portion 16 extending from and / or being supported on the lower housing portion 14, and an intermediate housing. Includes a handle housing 12 having an upper housing portion 18 extending from and / or being supported on the portion 16. The distal half of the upper housing portion 18 defines a nose or connection portion 18a configured to accommodate the corresponding drive coupling assembly 110 (FIGS. 3-5) of the adapter assembly 100. For a detailed description of the structure and function of exemplary electrical machinery and equipment, see US Pat. No. 9,055,943 by the same owner, which is incorporated herein by reference in its entirety.

Here, the adapter assembly 100 is described with reference to FIGS. 3-9. Referring to FIG. 3, the adapter assembly 100 is an extension assembly 200 (FIG. 1) with a proximal end 102 configured for an operable connection to the connection 18a (FIG. 1) of the surgical appliance 10 (FIG. 1). Includes a distal end 104 configured for an operable connection to 1). According to the present disclosure, the adapter assembly 100 can be substantially or completely rigid along the overall length.

Referring to FIGS. 3-5, from the proximal end 102 to the distal end 104 of the adapter assembly 100, the adapter assembly 100 has a drive coupling assembly 110 and a drive transfer assembly 130 operably connected to the drive coupling assembly 110. And a first pusher assembly 160 operably connected to the drive transfer assembly 130 and a second pusher assembly 180 operably connected to the drive transfer assembly 130. Each of the drive transfer assembly 130, the first pusher assembly 160 and the second pusher assembly 180 is kept operable within the outer sleeve 106 (FIG. 3). The shaft 108 (FIG. 3) extends longitudinally through the adapter assembly 100 and is operably connected to the drive transfer assembly 130.

Now with reference to FIGS. 6-12, the adapter assembly 100 (FIG. 3) can be operated with a circular loading unit such as, for example, loading unit 40 (FIG. 12) and an anvil assembly such as, for example, anvil assembly 50 (FIG. 12). An extension assembly 200 for connecting to is described. In particular, the proximal end 202 of the extension assembly 200 is operably connected to the distal end 104 (FIG. 3) of the adapter assembly 100 (FIG. 3). The distal end 204 of the extension assembly 200 operably connects to the loading unit 40 and the anvil assembly 50. As shown, the extension assembly 200 provides a slight curvature between the proximal end 202 and the distal end 204. In an alternative embodiment, the extension assembly 200 may be linear or may include a larger or smaller curvature. According to the present disclosure, the extension assembly 200 can be substantially or completely rigid along its overall length.

The extension assembly 200 is illustrated and described as being used to connect the loading unit 40 and the anvil assembly 50 to the adapter assembly 100 (FIG. 3), but aspects of the present disclosure are various loading units, anvil assemblies. , And can be modified for use with the adapter assembly. Exemplary loading units and anvil assemblies are described in U.S. Pat. Nos. 8,590,763, 9,579,099, and 10,463,365 by the same owner, respectively. Are incorporated herein by reference in their entirety. An additional exemplary surgical device, including a flexible band assembly, is U.S. Patent Application No. 16 / 626,928 by the same owner filed March 23, 2020 (currently U.S. Patent Publication No. 2020 /). 0214793), the contents of which are incorporated herein by reference in their entirety.

The extension assembly 200 includes an inner flexible band assembly 210 (FIG. 7), an outer flexible band assembly 230 (FIG. 8) slidably disposed around the inner flexible band assembly 210, and an inner side. It is operably accepted through the frame assembly 250 (FIG. 9) supporting the flexible band assembly and the outer flexible band assembly 210, 230, and the inner flexible band assembly and the outer flexible band assembly 210, 230. Includes trocar assembly 270 (FIG. 11). The outer sleeve 206 (FIG. 6) is received around the frame assembly 250 and the trocar assembly 270, and the inner flexible band assembly and the outer flexible band assemblies 210, 230 are slidably received through the outer sleeve 206. To. The extension assembly 200 may include a drive shaft 208 (FIG. 6) operably connected to the trocar assembly 270 and extending through the proximal end 202 of the extension assembly 200.

Referring to FIG. 7, the inner flexible band assembly 210 includes first and second inner flexible bands 212, 214, a support ring 216, a support base 218, and first and second connection extensions. 220 and 222 are included. Proximal ends 212a, 214a of the first and second inner flexible bands 212, 214, respectively, are laterally spaced apart and firmly attached to the support ring 216. The distal ends 212b, 214b of the first and second inner flexible bands 212, 214 are laterally spaced apart and firmly attached to the proximal end 218a of the support base 218. Each of the first and second inner flexible bands 212, 214 will each have a support ring 216 and / or in any suitable manner, including, for example, press fitting, welding, adhesive, and / or mechanical fasteners. It can be attached to the support base 218. The inner flexible band assembly 210 is slidably received around the trocar assembly 270 (FIG. 11) and within the outer flexible band assembly 230 (FIG. 8) and outer sleeve 206 (FIG. 6). It is configured in.

Referring now to FIG. 8, the outer flexible band assembly 230 is substantially similar to the inner flexible band assembly 210, laterally spaced and extending to the support ring 236 at the proximal ends 232a, 234a. Includes first and second flexible bands 232 and 234 connected to the proximal end 238a of the support base 238 at the distal ends 234b and 234b. Each of the first and second outer flexible bands 232 and 234 is attached to the support ring 236 and support base 238 in any suitable manner, such as press fit, weld, adhesive, and / or mechanical fasteners. Can be attached. The outer flexible band assembly 230 is configured to receive the trocar assembly 270 (FIG. 11) through the outer flexible band assembly 230.

The first and second connection extensions 240 and 242 of the outer flexible band assembly 230 extend proximally from the support ring 236, and the outer flexible band assembly 230 is attached to the adapter assembly 100 (FIG. 1). And operably connected to the pusher member of the first pusher assembly 160 (FIGS. 4 and 5) of FIG. 3). The first and second connection extensions 240 and 242 can be integrally formed with the support ring 236 or can be attached to it in any suitable manner.

Referring to FIG. 11, the trocar assembly 270 of the extension assembly 200 axes the outer housing 272, the trocar member 274 slidably disposed within the tubular outer housing 272, and the trocar member 274 with respect to the outer housing 272. Includes a drive screw 276 operably received within the trocar member 274 to move in the direction. In particular, the trocar member 274 includes a proximal end 274a having an inner threaded portion 273 that engages with the threaded distal portion 276b of the driving screw 276. As the drive screw 276 rotates within the trocar member 274, the engagement of the inner threaded portion 273 of the trocar member 274 with the threaded distal portion 276b of the drive screw 276 is the engagement of the trocar member 274 with respect to the outer housing 272 of the trocar assembly 270. Causes longitudinal movement. Rotation of the drive screw 276 in the first direction causes the trocar member 274 to advance distally, and rotation of the drive screw 276 in the second direction causes the trocar member 274 to retract proximally. The distal end 274b of the trocar member 274 is configured to selectively engage the anvil assembly 50 (FIG. 12).

After the extension assembly 200 is operably engaged with the adapter assembly 100 and the adapter assembly 100 is operably engaged with the surgical device 10 (FIG. 1), the loading unit 40 (FIG. 12) of the end effector 30 (FIG. 12). ) Can be attached to the extension assembly 200, and the anvil assembly 50 (FIG. 12) can be attached to or engaged with the distal end 274b of the trocar member 274 of the extension assembly 200 in a conventional manner. During operation of the loading unit 40 and the anvil assembly 50, the longitudinal advance of the pusher member of the second pusher assembly 180 of the adapter assembly 100, as described above and as indicated by the arrow “C” in FIG. Causes longitudinal advancement of the outer flexible band assembly 230 of the extension assembly 200. Longitudinal advancement of the pusher member of the first pusher assembly 160 causes longitudinal advancement of the inner flexible band assembly 210, as indicated by the arrow “D” in FIG. As indicated by the arrow "E" in FIG. 13, rotation of the drive shaft 108 in the first direction causes the trocar member 274 of the extension assembly 200 to advance. Conversely, the proximal retreat of the pusher member of the second pusher assembly 180 causes the proximal retreat of the outer flexible band assembly 230, which is proximal to the pusher member of the first pusher assembly 160. The retreat causes a proximal retreat of the inner flexible band assembly 210. Further, the rotation of the drive shaft 108 in the second direction causes the trocar member 274 of the extension assembly 200 to retract.

The inner flexible band assembly 210 is operably connected to the knife assembly (not shown) of the loading unit 40 (FIG. 12) of the end effector 30 (FIG. 12), and the outer flexible band assembly 230 is the loading unit. It is operably connected to the staple drive assembly (not shown) of 40, and the trocar member 274 is operably connected to the anvil assembly 50 of the end effector 30 (FIG. 12). In this way, longitudinal movement of the inner flexible band assembly 210 causes longitudinal movement of the knife assembly (eg, due to tissue cutting) and longitudinal movement of the outer flexible band assembly 230. The movement causes longitudinal movement of the staple drive assembly (eg, to install fasteners in the tissue), and longitudinal movement of the trocar member 274 is longitudinal movement of the anvil assembly 50 with respect to the loading unit 40 (eg, for example). To grip the tissue between them).

With reference to FIG. 14, a seal assembly 1000 for use with the surgical device 10, the adapter assembly 100, and / or the extension assembly 200 is illustrated. The seal assembly 1000 is configured to facilitate complete cleaning of debris (eg, surgical debris) from the surgical device 10, eg, after use, before use, and / or before reuse. Further, the seal assembly 1000 prevents the fluid, filth and debris from moving proximally beyond the seal assembly 1000 after fluid, filth and debris have entered the surgical device 10 from at or near its distal end. It is configured to prevent or minimize. That is, since the seal assembly 1000 is located relatively close to the distal end of the surgical appliance 10, the area of the surgical appliance 10 exposed to fluids, debris, and debris (eg, within the outer sleeve 106). Is relatively small and easy to clean. In addition, while the seal assembly 1000 is illustrated and described for the use of a particular type of surgical appliance 10, the seal assembly 1000 is of various types (eg, reusable) for which cleaning and / or sterilization may be desired. ) Can be used with surgical instruments.

The seal assembly 1000 includes a first seal 1100, a second seal 1200, and a third seal 1300. The first seal 1100 is an annular seal, positioned between the outer sleeve 106 and the outer flexible band assembly 230, and the fluid is first between the outer sleeve 106 and the outer flexible band assembly 230. It is configured to prevent or prevent movement to a position proximal to the seal 1100. More specifically, the first seal 1100 is located radially inside the outer sleeve 106 (or a portion thereof) and radially outside the outer flexible band assembly 230 (or portion thereof) of the extension assembly 200. It is positioned in. Further, the outer sleeve 106 includes a recess or notch 106a configured to help prevent the first seal 1100 from moving distally to the outer sleeve 106.

The second seal 1200 of the seal assembly 1000 is positioned between the outer flexible band assembly 230 of the extension assembly 200 and the inner flexible band assembly 210 of the extension assembly 200, and the fluid is the inner flexible band assembly. It is configured to prevent or prevent movement between the 210 and the outer flexible band assembly 230 to a position proximal to the second seal 1200. More specifically, the second seal 1200 is located radially inside the outer flexible band assembly 230 and radially outside the inner flexible band assembly 210. Further, the outer flexible band assembly 230 retains the second seal 1200, at least partially, in response to movement between the inner flexible band assembly 210 and the outer flexible band assembly 230. A recess 230a configured to do so is included therein.

The third seal 1300 of the seal assembly 1000 is positioned between the inner flexible band assembly 210 of the extension assembly 200 and the outer housing 272 of the trocar assembly 270, and the fluid is between the inner flexible band assembly 210 and the trocar assembly. It is configured to prevent or prevent movement of the 270 from the outer housing 272 to a position proximal to the third seal 1300. More specifically, the third seal 1300 is located radially inside the inner flexible band assembly 210 and radially outside the outer housing 272 of the trocar assembly 270. Further, the outer housing 272 of the trocar assembly 270 holds the third seal 1300 at least partially therein in response to movement between the inner flexible band assembly 210 and the outer housing 272 of the trocar assembly 270. A recess 272a configured to do so is included therein.

As mentioned above, the relative distal positions of the first seal 1100, the second seal 1200, and the third seal 1300 of the seal assembly 1000 are fluids, filth that penetrate the distal end of the surgical device 10. , And ensure that debris is relatively small and easy to clean. The specific distance at which the first seal 1100, the second seal 1200, and the third seal 1300 are separated from the most distal end 10d of the surgical device 10 may vary without departing from the scope of the present disclosure. Prior to activation of the surgical device 10, the first seal 1100 was approximately 12 mm to 100 mm from the distal end 200d of the extension assembly 200 (FIGS. 1 and 6), and the second seal 1200 was located. The third seal 1300 is between the most distal end 200d of the extension assembly 200 and about 12 mm to 100 mm, and the third seal 1300 is between the most distal end 200d of the extension assembly 200 and about 12 mm to 100 mm.

During use of the surgical appliance 10, the second seal 1200 of the seal assembly 1000 is configured to move longitudinally. In particular, if the outer flexible band assembly 230 translates longitudinally with respect to the outer sleeve 106 and / or with respect to the inner flexible band assembly 210 (eg, to eject staples from the surgical device 10). ), As discussed above, the second seal 1200 held by the recess 230a of the outer flexible band assembly 230 also translates longitudinally. By engaging the second seal 1200 with the inner flexible band assembly 210, the sealing relationship between the outer flexible band assembly 230 and the inner flexible band assembly 210 created by the second seal 1200 is: It is maintained during longitudinal translation of the outer flexible band assembly 230 with respect to the inner flexible band assembly 210. Further, the sealing relationship between the outer flexible band assembly 230 and the outer sleeve 106 made by the first seal 1100 is in the longitudinal translation of the outer flexible band assembly 230 with respect to the inner flexible band assembly 210. , Will be maintained.

Further, when the inner flexible band assembly 210 is longitudinally translated with respect to the outer housing 272 of the trocar assembly 270 (eg, to cut tissue), a third seal, as discussed above. The 1300 is held by the recess 272a of the outer housing 272 and remains in its longitudinal position. The sealing relationship between the inner flexible band assembly 210 and the outer housing 272 of the trocar assembly 270 by the engagement of the third seal 1300 with the inner flexible band assembly 210 made by the third seal 1300. Is maintained during longitudinal translation of the inner flexible band assembly 210 with respect to the outer housing 272 of the trocar assembly 270.

Surgical devices as disclosed herein can also be configured to work with robotic surgery systems and what is commonly referred to as "remote surgery". Such systems use various robotic elements that assist the surgeon and allow remote (or partial remote control) of the surgical instrument. Various robot arms, gears, cams, slides, electric motors and mechanical motors can be used for this purpose and can be designed by a robotic surgical system to assist the surgeon in the course of surgery or treatment. .. Such robotic systems include remote controllable systems, automated flexible surgical systems, remote flexible surgical systems, remote joint motor surgery systems, wireless surgical systems, modular or selectively configurable remote controlled surgery. For example, a system for use.

Robotic surgical systems can be used with one or more consoles located adjacent to or remote from the operating room. In this case, one team of surgeons or nurses may prepare the patient for surgery, while another surgeon (or group of surgeons) remotely controls the instrument via a robotic surgical system. One or more of the instruments disclosed herein can be used to configure a robotic surgical system. As can be understood, a highly skilled surgeon can perform multiple operations at multiple locations without leaving his remote console, which can be economically advantageous and can be a patient or a series of patients. Can also be beneficial to.

The robotic arm of a surgical system is typically connected to a pair of master handles by a controller. The handle corresponds to the working end of any type of surgical instrument (eg, end effector, gripper, knife, scissors, etc.) that may complement the use of one or more of the embodiments described herein. It can be moved by the surgeon to bring about movement. The movement of the master handle can be scaled so that the working edge has a corresponding movement that is different, smaller, or larger than the movement performed by the surgeon's operating hand. The scale factor or gear ratio may be adjustable so that the operator can control the resolution of the working edge of the surgical instrument.

The master handle is various to provide feedback to the surgeon regarding various tissue parameters or conditions, such as tissue resistance due to manipulation, cutting, or otherwise treatment, pressure with an instrument on the tissue, tissue temperature, tissue impedance, etc. Sensors may be included. As will be appreciated, such sensors provide the surgeon with enhanced tactile feedback that simulates actual operating conditions. The master handle can also include a variety of different actuators for delicate tissue manipulation or treatment that further enhances the surgeon's ability to mimic actual operating conditions.

Referring to FIG. 15, a medical workstation is generally referred to as workstation 2000 and may generally include a plurality of robot arms 2002, 2003, a controller 2004, and an operating console 2005 coupled to the controller 2004. .. The motion console 2005 allows a display device 1006, which may be specifically configured to display a three-dimensional image, and a person (not shown), eg, a surgeon, to remotely control the robot arms 2002, 2003 in the first motion mode. The manual input device 2007, 2008, and the like obtained may be included.

Each of the robot arms 2002, 2003 is associated with a plurality of members connected via joints by any one of several embodiments disclosed herein, as described in more detail below. , For example, attachable attachment devices 2009, 2011, such as the surgical tool "ST" supporting the end effector 2100.

The robot arms 2002, 2003 can be driven by an electric drive (not shown) connected to the control device 1004. The control device 2004 (eg, a computer) has robotic arms 2002, 2003, their mounting devices 2009, 2011, and thus surgical tools (including the end effector 2100) defined by means of the manual input device 2007, 2008. It can be set to operate the drive device in such a way as to perform the desired movement according to the movement, specifically by means of a computer program. The control device 2004 may also be configured in such a way as to coordinate the movement of the robot arms 2002, 2003 and / or the drive device.

The medical workstation 2000 may be configured for use on a patient 2013 lying on a patient table 2012 to be treated minimally invasively by means of the end effector 2100. The medical workstation 2000 may also include more than two robot arms 2002, 2003, the additional robot arms being similarly connected to the control device 2004 and remotely controllable by the operating console 1005. Medical devices or surgical tools (including the end effector 2100) can also be attached to additional robot arms. The medical workstation 2000 may include, for example, a database 2014 linked to a controller 2004, specifically storing preoperative data from a patient / living body 2013 and / or an anatomical atlas.

For a more detailed discussion of the configuration and operation of an exemplary robotic surgical system, US Pat. No. 8,828,023 by Neff et al., entitled "Medical Workstation," which is incorporated herein by reference in its entirety. Is referred to herein.

All of the components described herein are made of metals, plastics, resins, composites, etc., taking into account strength, durability, wear resistance, weight, corrosion resistance, ease of manufacture, manufacturing cost, etc. Can be manufactured from either.

It should be understood that the above description is merely exemplary of the present disclosure. Various alternatives and modifications may be conceived by one of ordinary skill in the art without departing from this disclosure. Accordingly, the present disclosure is intended to include all such alternatives, modifications and differences. The embodiments described with reference to the accompanying drawings are presented solely to illustrate certain examples of the present disclosure. Other elements, steps, methods and techniques that are substantially different from those described above and / or the appended claims are also intended to be within the scope of the present disclosure.

Claims (20)

It ’s a surgical device,
With the handle assembly
An elongated portion configured to extend distally from the handle assembly and including an outer sleeve.
An outer band assembly, wherein at least a portion of the outer band assembly is radially disposed within the outer sleeve.
An inner band assembly, wherein at least a portion of the inner band assembly is radially disposed within the outer band assembly.
A trocar assembly comprising a trocar member, wherein at least a portion of the trocar assembly is radially disposed within the inner band assembly.
A seal assembly comprising a first annular seal and a second annular seal, wherein the first annular seal is disposed radially inside the outer sleeve and radially outside the outer band assembly. A surgical device comprising a seal assembly in which a second annular seal is disposed radially inside the outer band assembly and radially outside the inner band assembly. The surgical device of claim 1, wherein the seal assembly comprises a third annular seal disposed radially inside the inner band assembly and radially outside the trocar member of the trocar assembly. The surgical device of claim 1, wherein the outer band assembly is longitudinally translatable with respect to the outer sleeve of the elongated portion. The surgical device of claim 3, wherein the inner band assembly is longitudinally translatable with respect to the outer band assembly and with respect to the outer sleeve of the elongated portion. The surgical device of claim 4, wherein the inner band assembly is longitudinally translatable with respect to the trocar member of the trocar assembly. The surgical device of claim 3, wherein the longitudinal movement of the outer band assembly with respect to the outer sleeve of the strip causes the corresponding longitudinal movement of the second annular seal with respect to the outer sleeve. The surgical device of claim 1, wherein the second annular seal is longitudinally translatable with respect to the outer sleeve. 1. Surgical equipment. 8. The surgical device of claim 8, wherein the longitudinal movement of the outer band assembly with respect to the outer sleeve of the elongated portion causes the fastener to be ejected from the end effector. 8. The surgical device of claim 8, wherein longitudinal movement of the inner band assembly with respect to the outer sleeve of the elongated portion causes longitudinal movement of the knife of the end effector. Claimed that the end effector comprises a cartridge assembly and an anvil assembly, and longitudinal movement of a portion of the trocar assembly with respect to the outer sleeve of the elongated portion causes longitudinal movement of the anvil assembly with respect to the cartridge assembly. Item 8. The surgical device according to item 8. The surgical device of claim 1, wherein the first annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. 12. The surgical device of claim 12, wherein the second annular seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. The seal assembly comprises a third annular seal disposed radially inside the inner band assembly and radially outside the trocar member of the trocar assembly, wherein the third annular seal is the elongated. 13. The surgical device of claim 13, which is between about 12 mm and about 100 mm from the most distal end of the portion. The surgical device of claim 1, wherein the second annular seal is at least partially disposed in a recess of the outer band assembly. The surgical device according to claim 2, wherein the third annular seal is at least partially disposed in a recess of the trocar member. It ’s a surgical device,
With an elongated part including the outer sleeve,
An outer band assembly comprising a first band and a second band, wherein at least a portion of the outer band assembly is radially disposed within the outer sleeve.
An inner band assembly comprising a first band and a second band, wherein at least a portion of the inner band assembly is radially disposed within the outer band assembly.
A trocar assembly comprising a trocar member, wherein at least a portion of the trocar assembly is radially disposed within the inner band assembly.
A seal assembly comprising a first seal, a second seal, and a third seal, wherein the first seal is disposed radially inside the outer sleeve and is of the outer band assembly. Disposed radially outside the first band and the second band, the second seal is radially inside the first and second bands of the outer band assembly. Disposed and radially outward of the first and second bands of the inner band assembly, the third seal is the first band and of the inner band assembly. A seal assembly that is disposed radially inside the second band and radially outside the trocal member of the trocal assembly.
An end effector configured to operably engage the distal portion of the elongated portion, wherein the end effector is configured to accommodate a fastener therein and said to the outer sleeve. Distal movement of the outer band assembly causes the fastener to be ejected from the end effector, and distal movement of the inner band assembly with respect to the outer sleeve causes distal movement of the end effector's knife. , End effector, and a surgical device. The first seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion, and the second seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. The surgical device of claim 17, wherein the third seal is between about 12 mm and about 100 mm from the most distal end of the elongated portion. 17. The surgical device of claim 17, wherein the distal movement of the outer band assembly with respect to the outer sleeve of the strip causes a corresponding distal movement of the second seal with respect to the outer sleeve. 17. The surgical device of claim 17, wherein the second seal is at least partially disposed within a recess of the outer band assembly.

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